# Product of Two Matrices with C

```#include <stdio.h>
#define MAXROWS 10
#define MAXCOLS 10
void readMatrix(int arr[][MAXCOLS], int m, int n);
void printMatrix(int arr[][MAXCOLS], int m, int n);
void productMatrix(int array1[][MAXCOLS], int array2[][MAXCOLS],
int array3[][MAXCOLS], int m, int n);
void main()
{
int array1[MAXROWS][MAXCOLS], array2[MAXROWS][MAXCOLS],
array3[MAXROWS][MAXCOLS];
int m, n;
printf("Enter the value of m and n \n");
scanf("%d %d", &m, &n);
printf("Enter Matrix array1 \n");
printf("Matrix array1 \n");
printMatrix(array1, m, n);
printf("Enter Matrix array2 \n");
printf("Matrix B \n");
printMatrix(array2, m, n);
productMatrix(array1, array2, array3, m, n);
printf("The product matrix is \n");
printMatrix(array3, m, n);
}
/*  Input Matrix array1 */
void readMatrix(int arr[][MAXCOLS], int m, int n)
{
int i, j;
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
scanf("%d", &arr[i][j]);
}
}
}
void printMatrix(int arr[][MAXCOLS], int m, int n)
{
int i, j;
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
printf("%3d", arr[i][j]);
}
printf("\n");
}
}
/*  Multiplication of matrices */
void productMatrix(int array1[][MAXCOLS], int array2[][MAXCOLS],
int array3[][MAXCOLS], int m, int n)
{
int i, j, k;
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
array3[i][j] = 0;
for (k = 0; k < n; k++)
{
array3[i][j] = array3[i][j] + array1[i][k] *
array2[k][j];
}
}
}
}```

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